original descriptionChamberlin, R. V. (1951). Eleven new western millipeds. <em>Natural History Miscellanea.</em> 87: 1-12. page(s): 4 [details]
original description(ofTuolumnia Chamberlin, 1953)Chamberlin, R. V. (1953). Six new American millipeds, with notes on several cave-dwelling species. Proceedings of the Biological Society of Washington, 66: 67-71 page(s): 67 [details]